The study also found a correlation between marriage age and duration, which Francis wrote are positively related, meaning the older the person was when he or she got married, the longer the marriage was likely to last.

Maturity, waiting for the hormones to settle and personality to crystallize, few societies in history married off someone younger than 21-25, outside times of war (Regency, American Independence) but then only for re-population purposes, knowing it was less than ideal.

Another notable finding was that the larger differences in age and education between husbands and wives were associated with a higher risk of divorce,

Assortative mating wins again.

College IQ men marrying high-school IQ women is dysgenic.

as was reporting that looks were important in marriage.

Vain men, bad husbands. As soon as she gets a little wrinkle, his “love” dies.

Evil people confuse lust with love. When the lust is spent, they claim to fall “out” of love. There is no falling “out” of true love, you can only be betrayed and detach. The love doesn’t go anywhere.

Marriage will get less expensive when it becomes more common.
As it is, only rich people can afford to marry.

That’s right, classism again.

Social media would make it a little gimmicky.

Abolishing no-fault divorce and making it hard (or impossible) to re-marry after a set N times would make people respect the institution again, nothing less will work.

Really, our era has the term “starter marriage” – nothing else will work.

If society didn’t get rid of rites of passage for both sexes, the social value of over-spending on a wedding would plummet. For women, debutante balls were important. Now the expense is carried over into bridal models.